Nuclear Nonproliferation

Safeguarding nuclear warheads & materials that can be used to make nuclear weapons is a primary nat. security concern of the U.S. Since 1993, the DoE & DoD have worked to improve security at sites housing weapons-usable nuclear material & warheads in Russia & other countries. In 1995, DoE established the Materials Protection, Control, & Accounting program to implement these efforts. The author examined the: (1) progress DoE has made in improving security at nuclear-material sites in Russia & other countries; (2) progress DoE & DoD have made in improving security at Russian nuclear warhead sites; & (3) efforts DoE & DoD have undertaken to ensure the continued effective use of U.S.-funded security upgrades. Illustrations.